#!/usr/bin/env python
#-*-coding:utf-8-*-
# ---------------------------------
# create-time:      <2009/04/01 03:53:38>
# last-update-time: <halida 04/01/2009 13:05:11>
# ---------------------------------
# 

class Entity():
    data = set()
    def __init__(self,name,desc,parent=None):
        pass

def test1():
    e1 = Entity('hah','no hah')
    e2 = Entity('HNU','HNU is not Unix',e1)

def main():
    test1()
if __name__=="__main__":
    main()
